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A person on a moving sidewalk travels 21 feet in 7 seconds. The moving sidewalk has a length of 180 feet. How long will it take to move from one end of the sidewalk to the other?
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1 vote
A person on a moving sidewalk travels 21 feet in 7 seconds. The moving sidewalk has a length of 180 feet. How long will it take to move from one end of the sidewalk to the other?

User Luckyape
by
4.7k points

2 Answers

7 votes
60 secconds
Explanation;
21 feet /7 secconds =3 secconds per foot.
180/3=60
User Stephen Darlington
by
4.5k points
2 votes

Answer:

180/3 60 second

Explanation:

21/7 = 3 feet per second

User Simon Jackson
by
5.2k points
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